.back {
	position: fixed;
	left: 0;
	top: 0;
	z-index: 10;
	width: 1600px;
	height: 900px;
	min-width: 1600px;
}

.fore {
	position: fixed;
	left: 0;
	top: 0;
	z-index: 1000;
	width: 1600px;
	min-width: 1600px;
	height: 900px;
}
.img-container{
	position: fixed;
	left: 0;
	top: 0;
}
html,body{
	margin: 0;
	padding: 0;
	overflow: hidden;
	width: 100%;
	height: 100%;
	background: #1C3860;
	position: relative;
}

.toolbar{
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 60px;
	line-height: 60px;
	z-index: 100000;
	background: #ffffff;
	display: flex;
	flex-direction: row;
	justify-content: center;
	align-items: center;
	transition: all 0.3s;
}

button{
	height: 40px;
	line-height: 40px;
	background: #FFFFFF;
	border: 1px solid #1F91E2;
	border-radius: 10px;
	outline: none;
}

.spread{
	position: fixed;
	right: 66px;
	top: 445px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	z-index: 11111;
	color: #FFFFFF;
	font-size: 24px;
	font-family: "微软雅黑";
	width: 150px;
	height: 150px;
}
.spread img{
	width: 100%;
	height: 100%;
}
